Home / 45,265.75-67,901.22-11,984.95

Finding the Fourth Proportional to 45,265.75, 67,901.22 and 11,984.95

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Solution

The fourth proportional to 45,265.75, 67,901.22 and 11,984.95 is: 17,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,265.75 : 67,901.22 = 11,984.95 : x
  2. Step 2: Convert to fraction form
    45,265.75/67,901.22 = 11,984.95/x
  3. Step 3: Cross multiply
    45,265.75x = 67,901.22 × 11,984.95
  4. Step 4: Simplify right side
    45,265.75x = 813,792,556.89
  5. Step 5: Solve for x
    x = 813,792,556.89/45,265.75
  6. Step 6: Final answer
    x = 17,978.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.